Root Complex Mode - Quectel LTE-A Series Hardware Design
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3.17.1. Root Complex Mode
In this mode, the module is configured to act as a PCIe RC device. The following figure shows a reference
circuit of PCIe RC mode.
Module
PCIE_RX_P
PCIE_RX_M
100nF
C1
PCIE_TX_P
100nF
C2
PCIE_TX_M
PCIE_REFCLK_P
PCIE_REFCLK_M
PCIE_RST_N
PCIE_CLKREQ_N
PCIE_WAKE_N
GND
EG18_Hardware_Design
VDD_EXT
Figure 32: PCIe Interface Reference Circuit (RC Mode)
LTE-A Module Series
EG18 Hardware Design
WLAN
100nF
C3
PCIE_TX_P
100nF
C4
PCIE_TX_M
PCIE_RX_P
PCIE_RX_M
PCIE_REFCLK_P
PCIE_REFCLK_M
PCIE_RST_N
PCIE_CLKREQ_N
PCIE_WAKE_N
GND
Wi-Fi
Antenna
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